From: Borislav Petkov <bp@alien8.de>
To: Owen Kibel <qmewlo@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Josh Boyer <jwboyer@fedoraproject.org>,
"Luck, Tony" <tony.luck@intel.com>,
Peter Zijlstra <peterz@infradead.org>,
"mingo@kernel.org" <mingo@kernel.org>,
"hpa@zytor.com" <hpa@zytor.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"atodorov@redhat.com" <atodorov@redhat.com>,
"gong.chen@linux.intel.com" <gong.chen@linux.intel.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"linux-tip-commits@vger.kernel.org"
<linux-tip-commits@vger.kernel.org>
Subject: Re: [tip:x86/urgent] x86/mce: Fix CMCI preemption bugs
Date: Thu, 17 Apr 2014 23:30:12 +0200 [thread overview]
Message-ID: <20140417213012.GC27852@pd.tnic> (raw)
In-Reply-To: <CAK7FoDt6tnknX7cioe7=2svVksyAyLUtoZX_oprzJNxoHZEpdw@mail.gmail.com>
On Thu, Apr 17, 2014 at 02:21:41PM -0700, Owen Kibel wrote:
> The patch tested was from Chen, Gong
>
> https://lkml.org/lkml/2014/4/15/838
>
> It worked, apart from the warning on boot described previously - the
> possible boot message was extracted from /var/log/kern.log
>
> The above patch on mainline: 3.15-rc1 2014-04-13 [tar.xz]
>
> seems to have cured the problem
Ok, good. So this is straightened out.
@Ingo: just pick up Gong's fix without the raw_spin_lock* stuff.
> - the kernel appears fine after announcing something like
>
> kernel: [ 7.341085] BUG: using __this_cpu_write() in preemptible
> [00000000] code: modprobe/546
>
> in the boot process.
This is most likely unrelated and is caused by the preemption checks
added to __this_cpu_* in 188a81409ff7. If you'd like to debug this
further, please send a full dmesg:
dmesg > dmesg.log
Privately is fine too.
Thanks.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
next prev parent reply other threads:[~2014-04-17 21:30 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-17 9:57 [tip:x86/urgent] x86/mce: Fix CMCI preemption bugs tip-bot for Ingo Molnar
2014-04-17 10:09 ` Peter Zijlstra
2014-04-17 10:24 ` Borislav Petkov
2014-04-17 14:03 ` Luck, Tony
2014-04-17 15:26 ` Borislav Petkov
2014-04-17 16:54 ` Josh Boyer
2014-04-17 19:23 ` Borislav Petkov
2014-04-17 19:25 ` Linus Torvalds
2014-04-17 19:42 ` Borislav Petkov
2014-04-17 20:58 ` Borislav Petkov
[not found] ` <CAK7FoDt6tnknX7cioe7=2svVksyAyLUtoZX_oprzJNxoHZEpdw@mail.gmail.com>
2014-04-17 21:30 ` Borislav Petkov [this message]
2014-04-17 22:20 ` Borislav Petkov
2014-04-18 8:07 ` Ingo Molnar
2014-04-18 9:22 ` Borislav Petkov
2014-04-25 8:47 ` Chen, Gong
2014-04-25 13:15 ` Ingo Molnar
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